diff --git a/hosts/vno1-oh2/configuration.nix b/hosts/vno1-oh2/configuration.nix
index 8627a76..6cb0863 100644
--- a/hosts/vno1-oh2/configuration.nix
+++ b/hosts/vno1-oh2/configuration.nix
@@ -111,6 +111,18 @@
 
     grafana = {
       enable = true;
+      provision = {
+        enable = true;
+        datasources.settings = {
+          apiVersion = 1;
+          datasources = [{
+            name = "Prometheus";
+            type = "prometheus";
+            access = "proxy";
+            url = "http://127.0.0.1:${toString config.services.prometheus.port}";
+          }];
+        };
+      };
       settings = {
         server = {
           # TODO tailscale service?